Portion of a shoe midsole



FIG. 1 is a first perspective view of a portion of a shoe midsoleshowing our new design;

FIG. 2 is a second perspective thereof; and,

FIG. 3 is a side view thereof.

The uneven broken line immediately adjacent to the shaded arearepresents an unclaimed boundary of the design. The uneven broken lineshowing of the remainder of the shoe is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a portion of a shoe midsole, as shown anddescribed.